Home / 3,942.54-5,913.96-1,310.16

Finding the Fourth Proportional to 3,942.54, 5,913.96 and 1,310.16

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Solution

The fourth proportional to 3,942.54, 5,913.96 and 1,310.16 is: 1,965.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.54 : 5,913.96 = 1,310.16 : x
  2. Step 2: Convert to fraction form
    3,942.54/5,913.96 = 1,310.16/x
  3. Step 3: Cross multiply
    3,942.54x = 5,913.96 × 1,310.16
  4. Step 4: Simplify right side
    3,942.54x = 7,748,233.83
  5. Step 5: Solve for x
    x = 7,748,233.83/3,942.54
  6. Step 6: Final answer
    x = 1,965.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.